11220011222120 has 32 divisors (see below), whose sum is σ = 25248326373000. Its totient is φ = 4487417622528.

The previous prime is 11220011221973. The next prime is 11220011222201. The reversal of 11220011222120 is 2122211002211.

It can be written as a sum of positive squares in 4 ways, for example, as 3655828128484 + 7564183093636 = 1912022^2 + 2750306^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18029789 + ... + 18641708.

Almost surely, 2^{11220011222120} is an apocalyptic number.

11220011222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220011222120 is an abundant number, since it is smaller than the sum of its proper divisors (14028315150880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11220011222120 is a wasteful number, since it uses less digits than its factorization.

11220011222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36679157 (or 36679153 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11220011222120 its reverse (2122211002211), we get a palindrome (13342222224331).

The spelling of 11220011222120 in words is "eleven trillion, two hundred twenty billion, eleven million, two hundred twenty-two thousand, one hundred twenty".